<!DOCTYPE html>
<script src='../../resources/testharness.js'></script>
<script src='../../resources/testharnessreport.js'></script>
<style>
input { background-color: black; }
input:active { background-color: red; }
</style>
<div id="sandbox">
    <input id="i1" type="button"><input id="i2" type="button">
</div>
<script>
if (window.eventSender) {
    test(() => {
        var i1 = document.querySelector('#i1');
        var x = i1.offsetLeft + i1.offsetWidth / 2;
        var y = i1.offsetTop + i1.offsetHeight / 2;
        eventSender.mouseMoveTo(x, y);

        var i2 = document.querySelector('#i2');

        assert_equals(getComputedStyle(i1).backgroundColor, 'rgb(0, 0, 0)');
        assert_equals(getComputedStyle(i2).backgroundColor, 'rgb(0, 0, 0)');

        // Press mouse button
        eventSender.mouseDown();
        assert_equals(document.activeElement.id, 'i1');
        assert_equals(getComputedStyle(i1).backgroundColor, 'rgb(255, 0, 0)');
        assert_equals(getComputedStyle(i2).backgroundColor, 'rgb(0, 0, 0)');

        // Moving focus via TAB
        eventSender.keyDown('\t');
        assert_equals(document.activeElement.id, 'i2');
        assert_equals(getComputedStyle(i1).backgroundColor, 'rgb(255, 0, 0)');
        assert_equals(getComputedStyle(i2).backgroundColor, 'rgb(0, 0, 0)');

        // Release mouse button
        eventSender.mouseUp();
        assert_equals(getComputedStyle(i1).backgroundColor, 'rgb(0, 0, 0)');
        assert_equals(getComputedStyle(i2).backgroundColor, 'rgb(0, 0, 0)');

        sandbox.remove();
    }, ":active state should stick while mouse button is pressed regardless of focus state.");
}
</script>
